1.Blu-ray DVDDisc,25GB/50GB 2.It can record, store and play ... consumer electronics and PC companies. Blu-ray Disc AdvantagesA standard, single sided DVD is capable of holding 4.7 gigabytes of ... Takes about five times more bandwith. This requires a disc with the capacity to hold five times more data. ... Blu-ray is the next generation digital video disc and it can record, store and play back high ...